aichatbot: handler for current level

crates/programs/aichatbot-sidecar/src/web_server/handlers/level/get_current_level.rs

@@ -0,0 +1,60 @@
+use actix_http::StatusCode;
+use actix_web::{HttpRequest, HttpResponse, ResponseError, web};
+use crate::shared_state::app_control_state::AppControlState;
+use http_server_common::response::serialize_as_json_error::serialize_as_json_error;
+use log::error;
+use std::sync::Arc;
+
+#[derive(Serialize)]
+pub struct GetCurrentLevelResponse {
+  pub success: bool,
+  pub current_level: String,
+}
+
+#[derive(Debug, Serialize)]
+pub enum GetCurrentLevelError {
+  ServerError,
+}
+
+impl ResponseError for GetCurrentLevelError {
+  fn status_code(&self) -> StatusCode {
+    match *self {
+      GetCurrentLevelError::ServerError => StatusCode::INTERNAL_SERVER_ERROR,
+    }
+  }
+
+  fn error_response(&self) -> HttpResponse {
+    serialize_as_json_error(self)
+  }
+}
+
+// NB: Not using derive_more::Display since Clion doesn't understand it.
+impl std::fmt::Display for GetCurrentLevelError {
+  fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+    write!(f, "{:?}", self)
+  }
+}
+
+pub async fn get_current_level_handler(
+  _http_request: HttpRequest,
+  control_state: web::Data<Arc<AppControlState>>
+) -> Result<HttpResponse, GetCurrentLevelError> {
+
+  let current_level = control_state.get_level()
+      .map_err(|err| {
+        error!("Error: {:?}", err);
+        GetCurrentLevelError::ServerError
+      })?;
+
+  let response = GetCurrentLevelResponse {
+    success: true,
+    current_level: current_level.tts_model_token_str().to_string(),
+  };
+
+  let body = serde_json::to_string(&response)
+      .map_err(|e| GetCurrentLevelError::ServerError)?;
+
+  Ok(HttpResponse::Ok()
+      .content_type("application/json")
+      .body(body))
+}

crates/programs/aichatbot-sidecar/src/web_server/handlers/level/mod.rs

@@ -0,0 +1 @@
+pub mod get_current_level;

crates/programs/aichatbot-sidecar/src/web_server/handlers/mod.rs

@@ -1,2 +1,3 @@
+pub mod level;
 pub mod misc;
 pub mod news_stories;

crates/programs/aichatbot-sidecar/src/web_server/launch_web_server.rs

@@ -12,6 +12,7 @@ use errors::AnyhowResult;
 use http_server_common::endpoints::root_index::get_root_index;
 use std::sync::Arc;
 use sqlx::{Pool, Sqlite};
+use crate::web_server::handlers::level::get_current_level::get_current_level_handler;
 use crate::web_server::handlers::news_stories::get_next_news_story_audio_file_handler::get_next_news_story_audio_file_handler;
 
 pub struct LaunchWebServerArgs {
@@ -45,6 +46,7 @@ pub async fn launch_web_server(args: LaunchWebServerArgs) -> AnyhowResult<()> {
         .add_get("/openai", openai_inference_handler)
         .add_get("/news_story/next_story", get_next_news_story_handler)
         .add_get("/news_story/audio", get_next_news_story_audio_file_handler)
+        .add_get("/current_level", get_current_level_handler)
         .into_app();
 
     /*app.service(